French Onion Soup - cooking recipe

Ingredients

3 to 4 medium onions
2 Tbsp. butter or margarine
2 (10 1/2 oz.) cans condensed beef broth
1 1/4 c. water
1 tsp. Worcestershire sauce
sliced French bread
shredded Swiss or Mozzarella cheese

Preparation

Cook onions which have been thinly sliced (3 cups) in butter until slightly brown (about 15 minutes).
Add beef broth, water and Worcestershire sauce and simmer for 20 minutes.
Put into bowls.
Put one piece toasted French bread on top and cover with cheese.
Broil until slightly brown.